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The Berkeley Lab Laser Accelerator (BELLA) Center at the U.S. Department of Energy’s Lawrence Livermore National Laboratory has developed and tested an optical system to precisely measure and control the position and pointing angle of high-power laser beams with unprecedented accuracy, and without interrupting or disturbing the beams.
Highly demanding laser applications require high levels of precision; laser beams move around at a tiny scale in response to the vibrations and variability of even the most controlled laboratory environment. “Missing the target by as little as a few microns can make the difference between amazing science and an unwanted addition to background noise,” said Fumika Isono, a doctoral…READ MORE